<template>
    <div>
        <!-- 顶部滑动条 -->
        <div id="slider" class="mui-slider">
			<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
				<!-- <div class="mui-scroll">
					<a :class="['mui-control-item',item.id == 0 ? 'mui-active' : '']" v-for="item in cates" :key="item.id" @tap="getPhotoListByCateId(item.id)">
						{{item.title}}
					</a>
				</div> -->
					<div class="mui-scroll">
						<a class="mui-control-item mui-active" href="#item1mobile" data-wid="tab-top-subpage-1.html">
							推荐
						</a>
						<a class="mui-control-item" href="#item2mobile" data-wid="tab-top-subpage-2.html">
							热点
						</a>
						<a class="mui-control-item" href="#item3mobile" data-wid="tab-top-subpage-3.html">
							北京
						</a>
						<a class="mui-control-item" href="#item4mobile" data-wid="tab-top-subpage-4.html">
							社会
						</a>
						<a class="mui-control-item" href="#item5mobile" data-wid="tab-top-subpage-5.html">
							娱乐
						</a>
                        <a class="mui-control-item" href="#item5mobile" data-wid="tab-top-subpage-5.html">
							科技
						</a>
					</div>
			</div>
		</div>
		<!-- 图片列表区域  懒加载-->
		<ul class="photo-list">
			<!-- 指定渲染元素  tag -->
			<!-- <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
				<img v-lazy="item.img_url">
				<div class="info">
					<h1 class="info-title">{{item.title}}</h1>
					<div class="info-body">{{item.zhaiyao}}</div>
				</div>
			</router-link> -->
			<router-link :to="'/home/photoinfo/1'" tag="li">
				<img src="/static/images/shuijiao.jpg">
				<div class="info">
					<h1 class="info-title">幸福</h1>
					<div class="info-body">简单而不简介,富贵而不奢华</div>
				</div>
			</router-link>
			<router-link :to="'/home/photoinfo/2'" tag="li">
				<img src="/static/images/muwu.jpg">
				<div class="info">
					<h1 class="info-title">木屋</h1>
					<div class="info-body">简单而不简介,富贵而不奢华,大气却不失.....</div>
				</div>
			</router-link>
		</ul>
    </div>
</template>
<script>
    import mui from '../../lib/mui/js/mui.js'
    
    export default {
        data(){
            return{
				cates:[],//所有分类的列表数组
				list:[]//图片列表的数组
			};
		},
		created(){
			// this.getAllCategory();
			// this.getPhotoListByCateId(0);//默认进入页面加载所有数据
		},
		mounted(){// 当组件中的dom结构被渲染好并放到页面中,执行生命周期函数
			//如果要操作元素,最好在mounted里面,因为这时候的DOM元素是最新的
			// 初始化滑动控件
			mui('.mui-scroll-wrapper').scroll({
				deceleration: 0.0005 // flick 减速系数,系数越大,滚动越慢,距离越小,默认值0.0006 
			})
		},
        methods:{
			getAllCategory(){//获取所有的图片分类
				this.$http.get('api/getimgcategory').then(result =>{
					if(result.body.status == 0){
						//手动拼接一个完整的分类列表
						result.body.message.unshift({title:"全部",id:0});
						this.cates = result.body.message;
					}
				})
			},
			getPhotoListByCateId(cateId){
				//根据分类id获取图片列表
				this.$http.get('api/getimages/'+cateId).then(result =>{
					if(result.body.status == 0){
						//手动拼接一个完整的分类列表
						result.body.message.unshift({title:"全部",id:0});
						this.list = result.body.message;
					}
				})
			}
        },
    }
</script>
<style lang="scss" scoped>
    *{
        touch-action: pan-y;//在console日志抑制滑动提示警告
    }
	.photo-list{
		list-style: none;
		margin: 0;
		padding: 10px;
		padding-bottom: 0;
		position: relative;
		li{
			background-color:#ccc;
			text-align: center;
			margin-bottom: 10px;
			box-shadow: 0 0 9px #999;//边框阴影模糊化
			img{
				width: 100%;
				vertical-align: middle;//去除图片下的阴影
			}
			img[lazy=loading] {
				width: 40px;
				height: 300px;
				margin: auto;
			}
			.info{
				color:white;
				text-align: left;
				position: absolute;
				bottom: 0;
				background-color: rgba(0, 0, 0, 0.4);
				max-height: 84px;
				.info-title{
					font-size: 14px;
				}
				.info-body{
					font-size: 13px;
				}
			}
		}
	}
</style>
